April 26 Public Severe Weather Outlook from SPC

PUBLIC SEVERE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0317 PM CDT TUE APR 26 2011
   
   ...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE PARTS OF THE
   OZARK PLATEAU INTO UPPER PORTIONS THE LOWER MISSISSIPPI VALLEY THIS
   AFTERNOON AND TONIGHT...
   
   THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
   DEVELOPMENT OF A FEW STRONG TORNADOES AND POTENTIALLY WIDESPREAD
   DAMAGING WINDS OVER PARTS OF THE PARTS OF THE OZARK PLATEAU INTO
   UPPER PORTIONS THE LOWER MISSISSIPPI VALLEY THIS AFTERNOON AND
   TONIGHT.
   
   THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
   
          CENTRAL AND SOUTHERN ARKANSAS
          NORTHWEST LOUISIANA
          NORTHWEST MISSISSIPPI
          SOUTHEAST OKLAHOMA
          WESTERN TENNESSEE
          NORTHEAST TEXAS
   
   ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM PORTIONS OF THE
   SOUTHERN PLAINS EASTWARD AND NORTHEASTWARD THROUGH THE APPALACHIANS
   AND LOWER GREAT LAKES REGION.
   
   AN INCREASINGLY UNSTABLE AIR MASS IS BECOMING SUPPORTIVE OF SEVERE
   STORM DEVELOPMENT ACROSS PORTIONS OF NORTH CENTRAL AND NORTHEAST
   TEXAS THROUGH THE OZARK PLATEAU AND UPPER PORTIONS OF THE LOWER
   MISSISSIPPI VALLEY LATE THIS AFTERNOON.  AS A WEATHER DISTURBANCE
   ADVANCES EASTWARD OUT OF THE SOUTHERN ROCKIES BY EARLY THIS
   EVENING...STRENGTHENING WIND FIELDS ARE EXPECTED TO ENHANCE THESE
   STORMS...AND CONTRIBUTE TO THE POTENTIAL FOR LONG-LIVED SUPERCELL
   STORMS CAPABLE OF PRODUCING STRONG TORNADOES...AS WELL AS ORGANIZING
   STORM CLUSTERS CAPABLE OF PRODUCING DAMAGING WIND GUSTS.  THIS
   THREAT IS EXPECTED TO INCREASE THIS EVENING...AND CONTINUE THROUGH
   MUCH OF THE NIGHT...WITH THE DANGERS AGGRAVATED BY OBSCURATION
   ASSOCIATED WITH NIGHTFALL.
   
   STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS POTENTIALLY
   VERY DANGEROUS SITUATION. THOSE IN THE THREATENED AREA ARE URGED TO
   REVIEW SEVERE WEATHER SAFETY RULES AND TO LISTEN TO
   RADIO...TELEVISION...AND NOAA WEATHER RADIO FOR POSSIBLE
   WATCHES...WARNINGS...AND STATEMENTS LATER TODAY.